Input a CLLI:

Tip: A Partial CLLI can be entered, but must contain a minimum of the first 6 characters. I.E. 'DLLSTX'

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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
925-210CAPACIFIC BELL (AT&T)9740WALNUT CRKWNCKCA11DS000/00/0000Prefix Type: RBOC
Switch Name: WALNUT CREEK
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
925-274CAPACIFIC BELL (AT&T)9740WALNUT CRKWNCKCA11DS000/00/0000Prefix Type: RBOC
Switch Name: WALNUT CREEK
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
925-279CAPACIFIC BELL (AT&T)9740WALNUT CRKWNCKCA11DS000/00/0000Prefix Type: RBOC
Switch Name: WALNUT CREEK
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
925-280CAPACIFIC BELL (AT&T)9740WALNUT CRKWNCKCA11DS000/00/0000Prefix Type: RBOC
Switch Name: WALNUT CREEK
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
925-295CAPACIFIC BELL (AT&T)9740WALNUT CRKWNCKCA11DS000/00/0000Prefix Type: RBOC
Switch Name: WALNUT CREEK
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
925-296CAPACIFIC BELL (AT&T)9740WALNUT CRKWNCKCA11DS000/00/0000Prefix Type: RBOC
Switch Name: WALNUT CREEK
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
925-472CAPACIFIC BELL (AT&T)9740WALNUT CRKWNCKCA11DS000/00/0000Prefix Type: RBOC
Switch Name: WALNUT CREEK
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
925-817CAPACIFIC BELL (AT&T)9740WALNUT CRKWNCKCA11DS000/00/0000Prefix Type: RBOC
Switch Name: WALNUT CREEK
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
Thousands block for 925-817
925-817-1CAPACIFIC BELL (AT&T)9740WALNUT CRKWNCKCA11DS0N/APrefix Type: RBOC
Switch Name: WALNUT CREEK
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
925-817-3CAPACIFIC BELL (AT&T)9740WALNUT CRKWNCKCA11DS0N/APrefix Type: RBOC
Switch Name: WALNUT CREEK
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
925-817-4CAPACIFIC BELL (AT&T)9740WALNUT CRKWNCKCA11DS0N/APrefix Type: RBOC
Switch Name: WALNUT CREEK
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
925-817-5CAPACIFIC BELL (AT&T)9740WALNUT CRKWNCKCA11DS0N/APrefix Type: RBOC
Switch Name: WALNUT CREEK
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
925-817-6CAPACIFIC BELL (AT&T)9740WALNUT CRKWNCKCA11DS0N/APrefix Type: RBOC
Switch Name: WALNUT CREEK
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
925-906CAPACIFIC BELL (AT&T)9740WALNUT CRKWNCKCA11DS000/00/0000Prefix Type: RBOC
Switch Name: WALNUT CREEK
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
925-926CAPACIFIC BELL (AT&T)9740WALNUT CRKWNCKCA11DS000/00/0000Prefix Type: RBOC
Switch Name: WALNUT CREEK
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
925-927CAPACIFIC BELL (AT&T)9740WALNUT CRKWNCKCA11DS000/00/0000Prefix Type: RBOC
Switch Name: WALNUT CREEK
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
925-933CAPACIFIC BELL (AT&T)9740WALNUT CRKWNCKCA11DS000/00/0000Prefix Type: RBOC
Switch Name: WALNUT CREEK
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
925-937CAPACIFIC BELL (AT&T)9740WALNUT CRKWNCKCA11DS000/00/0000Prefix Type: RBOC
Switch Name: WALNUT CREEK
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
925-938CAPACIFIC BELL (AT&T)9740WALNUT CRKWNCKCA11DS000/00/0000Prefix Type: RBOC
Switch Name: WALNUT CREEK
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
925-939CAPACIFIC BELL (AT&T)9740WALNUT CRKWNCKCA11DS000/00/0000Prefix Type: RBOC
Switch Name: WALNUT CREEK
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
925-941CAPACIFIC BELL (AT&T)9740WALNUT CRKWNCKCA11DS000/00/0000Prefix Type: RBOC
Switch Name: WALNUT CREEK
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
Thousands block for 925-941
925-941-0CAPACIFIC BELL (AT&T)9740WALNUT CRKWNCKCA11DS0N/APrefix Type: RBOC
Switch Name: WALNUT CREEK
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
925-941-1CAPACIFIC BELL (AT&T)9740WALNUT CRKWNCKCA11DS0N/APrefix Type: RBOC
Switch Name: WALNUT CREEK
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
925-941-2CAPACIFIC BELL (AT&T)9740WALNUT CRKWNCKCA11DS0N/APrefix Type: RBOC
Switch Name: WALNUT CREEK
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
925-941-3CAPACIFIC BELL (AT&T)9740WALNUT CRKWNCKCA11DS0N/APrefix Type: RBOC
Switch Name: WALNUT CREEK
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
925-941-4CAPACIFIC BELL (AT&T)9740WALNUT CRKWNCKCA11DS0N/APrefix Type: RBOC
Switch Name: WALNUT CREEK
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
925-941-5CAPACIFIC BELL (AT&T)9740WALNUT CRKWNCKCA11DS0N/APrefix Type: RBOC
Switch Name: WALNUT CREEK
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
925-941-6CAPACIFIC BELL (AT&T)9740WALNUT CRKWNCKCA11DS0N/APrefix Type: RBOC
Switch Name: WALNUT CREEK
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
925-941-7CAPACIFIC BELL (AT&T)9740WALNUT CRKWNCKCA11DS0N/APrefix Type: RBOC
Switch Name: WALNUT CREEK
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
925-941-9CAPACIFIC BELL (AT&T)9740WALNUT CRKWNCKCA11DS0N/APrefix Type: RBOC
Switch Name: WALNUT CREEK
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
925-942CAPACIFIC BELL (AT&T)9740WALNUT CRKWNCKCA11DS000/00/0000Prefix Type: RBOC
Switch Name: WALNUT CREEK
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
925-974CAPACIFIC BELL (AT&T)9740WALNUT CRKWNCKCA11DS000/00/0000Prefix Type: RBOC
Switch Name: WALNUT CREEK
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
925-975CAPACIFIC BELL (AT&T)9740WALNUT CRKWNCKCA11DS000/00/0000Prefix Type: RBOC
Switch Name: WALNUT CREEK
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
925-979CAPACIFIC BELL (AT&T)9740WALNUT CRKWNCKCA11DS000/00/0000Prefix Type: RBOC
Switch Name: WALNUT CREEK
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
Thousands block for 925-979
925-979-0CAPACIFIC BELL (AT&T)9740WALNUT CRKWNCKCA11DS0N/APrefix Type: RBOC
Switch Name: WALNUT CREEK
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
925-979-1CAPACIFIC BELL (AT&T)9740WALNUT CRKWNCKCA11DS0N/APrefix Type: RBOC
Switch Name: WALNUT CREEK
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
925-979-2CAPACIFIC BELL (AT&T)9740WALNUT CRKWNCKCA11DS0N/APrefix Type: RBOC
Switch Name: WALNUT CREEK
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
925-979-3CAPACIFIC BELL (AT&T)9740WALNUT CRKWNCKCA11DS0N/APrefix Type: RBOC
Switch Name: WALNUT CREEK
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
925-979-4CAPACIFIC BELL (AT&T)9740WALNUT CRKWNCKCA11DS0N/APrefix Type: RBOC
Switch Name: WALNUT CREEK
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
925-979-6CAPACIFIC BELL (AT&T)9740WALNUT CRKWNCKCA11DS0N/APrefix Type: RBOC
Switch Name: WALNUT CREEK
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
925-979-7CAPACIFIC BELL (AT&T)9740WALNUT CRKWNCKCA11DS0N/APrefix Type: RBOC
Switch Name: WALNUT CREEK
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
925-979-9CAPACIFIC BELL (AT&T)9740WALNUT CRKWNCKCA11DS0N/APrefix Type: RBOC
Switch Name: WALNUT CREEK
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
925-988CAPACIFIC BELL (AT&T)9740WALNUT CRKWNCKCA11DS000/00/0000Prefix Type: RBOC
Switch Name: WALNUT CREEK
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
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